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Finding the Fourth Proportional to 67,898.31, 93,697.88 and 37,682.85

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Solution

The fourth proportional to 67,898.31, 93,697.88 and 37,682.85 is: 52,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.31 : 93,697.88 = 37,682.85 : x
  2. Step 2: Convert to fraction form
    67,898.31/93,697.88 = 37,682.85/x
  3. Step 3: Cross multiply
    67,898.31x = 93,697.88 × 37,682.85
  4. Step 4: Simplify right side
    67,898.31x = 3,530,803,532.28
  5. Step 5: Solve for x
    x = 3,530,803,532.28/67,898.31
  6. Step 6: Final answer
    x = 52,001.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.